code: def _get_git_hash():
      """Get current git hash.
  
      Returns:
          str: git hash.
  
      """
      cmd = ["git", "rev-parse", "HEAD"]
      return subprocess.check_output(cmd).decode("ascii").strip()
  
file_path: garage/benchmarks/src/garage_benchmarks/helper.py
imports: import csv
  import functools
  import json
  import os
  import pathlib
  import random
  import subprocess
  from google.cloud import storage
  import matplotlib.pyplot
  import numpy
  import tensorflow
label_desc: Use image node_id 6 for calling a global function with example usage: _get_git_hash() and returns: subprocess